#21176E#21176E

#21176E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.141 H 278.0°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#21176E
RGB	rgb(33, 23, 110)
HSL	hsl(247, 65%, 26%)
HSV	hsv(247, 79%, 43%)
CMYK	cmyk(70%, 79.1%, 0%, 56.9%)
CIE-LAB	lab(15.81, 33.07, -48.34)
CIE-LCH	lch(15.81, 58.57, 304.38°)
OKLab	oklab(28.87% 0.0197 -0.1396)
OKLCH	oklch(28.87% 0.141 278)
XYZ	xyz(3.7472, 2.0616, 14.9493)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21176E #646E17

analogous

#17386E #21176E #4C176E

triadic

#21176E #6E2117 #176E21

tetradic

#21176E #6E1738 #646E17 #176E4C

square

#21176E #6E1738 #646E17 #176E4C

split-complementary

#21176E #6E4C17 #386E17

monochromatic

#080519 #120C3B #21176E #3022A1 #402CD3

Accessibility & contrast

On white

14.87

#21176E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#21176E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21176E

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21176E	#FFFFFF	#000000	##FFFFFF
##21176E	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B70

Deuteranopia (green-blind)

#00246C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #21176e;
/* rgb */ color: rgb(33, 23, 110);
/* oklch */ color: oklch(28.9% 0.141 278.0);

Tailwind

colors: {
  custom: {
    50: '#695699',
    500: '#21176e',
    950: '#000000',
  },
}

SCSS

$custom: #21176e;
$custom-light: #695699;
$custom-dark: #000000;

JSON

{
  "hex": "#21176e",
  "rgb": {
    "r": 33,
    "g": 23,
    "b": 110
  },
  "hsl": {
    "h": 246.897,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28865,
    "c": 0.141,
    "h": 278
  },
  "luminance": 0.02062
}

Semantic roles & 50–950 ramp

primary

#21176E

secondary

#98A43D

accent

#E83FD5

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #21176E

Body copy rendered with the generated semantic roles for this colour.

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